docstr: Return all elements count from Counter
          
docstr_tok: ["Return","all","elements","count","from","Counter"]
code: def _count_counters(self, counter: Counter) -> int:
      """Return all elements count from Counter"""
      if getattr(self, "as_set", False):
          return len(set(counter))
      else:
          return sum(counter.values())
  
imports: from __future__ import annotations
  from collections import Counter
  from contextlib import suppress
  from typing import Sequence, TypeVar
  from ..libraries import prototype
  from ..utils import find_ngrams
label_desc: Use image node_id 16 for calling the Base obj's underlying member method code with example usage: obj._count_counters(counter) and returns: len, sum